Update makeskyblue_mppt_charger.yaml

Charge mode
mode_5 is Floating charge

custom_components/tuya_local/devices/makeskyblue_mppt_charger.yaml

@@ -22,7 +22,7 @@ entities:
           - dps_val: mode_4
             value: MPPT
           - dps_val: mode_5
-            value: mode_5
+            value: Floating charge
   - entity: sensor
     class: voltage
     category: diagnostic